US lawFederal (United States)RegulationsTitle 23 CFR — HighwaysChapter I — FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 490 — NATIONAL PERFORMANCE MANAGEMENT MEASURESSubpart F — National Performance Management Measures To Assess Freight Movement on the Interstate System490.60523 C.F.R. § 490.605Definitions.Last amended: 2017Year: 2026Length: 9 wordsOfficial source Cite as 23 C.F.R. § 490.605 (2026)The definitions in § 490.101 apply to this subpart.Cross-references to the CFR490.101Previous23 C.F.R. § 490.603Next23 C.F.R. § 490.607